From 4e638025f25652b052ec54cf75e4cfe4f4663ce7 Mon Sep 17 00:00:00 2001 From: "Gustavo A. R. Silva" Date: Tue, 16 Jun 2020 18:03:28 -0500 Subject: [PATCH] net: stmmac: selftests: Use struct_size() helper in kzalloc() Make use of the struct_size() helper instead of an open-coded version in order to avoid any potential type mistakes. This code was detected with the help of Coccinelle and, audited and fixed manually. Signed-off-by: Gustavo A. R. Silva Signed-off-by: David S. Miller --- drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c index e6696495f126..e113b1376fdd 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c @@ -1094,7 +1094,7 @@ static int stmmac_test_rxp(struct stmmac_priv *priv) if (!priv->dma_cap.frpsel) return -EOPNOTSUPP; - sel = kzalloc(sizeof(*sel) + nk * sizeof(struct tc_u32_key), GFP_KERNEL); + sel = kzalloc(struct_size(sel, keys, nk), GFP_KERNEL); if (!sel) return -ENOMEM;